Extraction of rubidium by t-BAMBP in cyclohexane

doi:10.1016/j.cjche.2015.04.005

Chinese Journal of Chemical Engineering ›› 2015, Vol. 23 ›› Issue (7): 1110-1113.DOI: 10.1016/j.cjche.2015.04.005

Extraction of rubidium by t-BAMBP in cyclohexane

Jiawei Wang, Dehua Che, Wei Qin

State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China

收稿日期:2014-01-08 修回日期:2014-05-13 出版日期:2015-07-28 发布日期:2015-08-21
通讯作者: Wei Qin
基金资助:
Supported by the research fund for the Doctoral Program of Education Ministry of China (20120002110098).

Extraction of rubidium by t-BAMBP in cyclohexane

Jiawei Wang, Dehua Che, Wei Qin

State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China

Received:2014-01-08 Revised:2014-05-13 Online:2015-07-28 Published:2015-08-21
Contact: Wei Qin
Supported by:
Supported by the research fund for the Doctoral Program of Education Ministry of China (20120002110098).

摘要/Abstract

摘要： 4-Tert-butyl-2-(α-methylbenzyl) phenol (t-BAMBP)was used in cyclohexane in the extraction of rubidiumfrom brine sources containing lithium. The effect of t-BAMBP concentration and aqueous phase pH on the rubidium and lithium extraction equilibrium was studied. t-BAMBP/cyclohexane was efficient and selective for rubidium extraction with optimal operating conditions being pH of 13.0 and initial t-BAMBP concentration of 1.0 mol·L^-1. The stoichiometry of the complex of t-BAMBP with rubidium is 4:1. The apparent extraction equilibrium constant of rubidium was calculated by fitting the experimental data.

关键词: Solvent extraction, Selectivity, Rubidium, t-BAMBP, Cyclohexane

Abstract: 4-Tert-butyl-2-(α-methylbenzyl) phenol (t-BAMBP)was used in cyclohexane in the extraction of rubidiumfrom brine sources containing lithium. The effect of t-BAMBP concentration and aqueous phase pH on the rubidium and lithium extraction equilibrium was studied. t-BAMBP/cyclohexane was efficient and selective for rubidium extraction with optimal operating conditions being pH of 13.0 and initial t-BAMBP concentration of 1.0 mol·L^-1. The stoichiometry of the complex of t-BAMBP with rubidium is 4:1. The apparent extraction equilibrium constant of rubidium was calculated by fitting the experimental data.

Key words: Solvent extraction, Selectivity, Rubidium, t-BAMBP, Cyclohexane

Jiawei Wang, Dehua Che, Wei Qin. Extraction of rubidium by t-BAMBP in cyclohexane[J]. Chinese Journal of Chemical Engineering, 2015, 23(7): 1110-1113.

Jiawei Wang, Dehua Che, Wei Qin. Extraction of rubidium by t-BAMBP in cyclohexane[J]. Chin.J.Chem.Eng., 2015, 23(7): 1110-1113.

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